Abstract: A riding mower includes a pair of right and left propelling wheels, an engine disposed rearwardly of axles of the propelling wheels, a pair of right and left transmission cases corresponding to the propelling wheels and supporting the propelling wheels, respectively, a pair of right and left HSTs coupled to the transmission cases for outputting power thereto, respectively, a center case housing a power distributor for transmitting power from the engine to the pair of right and left HSTs, and a mower unit disposed forwardly of the propelling wheels. The center case is disposed forwardly of the axles of the propelling wheels.

Abstract: A mid-mount type lawn tractor having idle wheels disposed at one end in a fore and aft direction of a vehicle body, drive wheels disposed at the other end in the fore and aft direction of the vehicle body, a mower unit connected to the vehicle body between the idle wheels and drive wheels. The lawn tractor includes a wheel support frame supporting the idle wheels and pivotably connected to the vehicle body. A pivotal movement of the wheel support frame relative to the vehicle body displaces the idle wheels relative to the vehicle body, to produce a running posture or a jack-up posture lifting at least part of the vehicle body. The pivotal movement of the wheel support frame is caused by a jack device.

Abstract: A riding mower includes a pair of right and left propelling wheels, an engine disposed rearwardly of axles of the propelling wheels, a pair of right and left transmission cases corresponding to the propelling wheels and supporting the propelling wheels, respectively, a pair of right and left HSTs coupled to the transmission cases for outputting power thereto, respectively, a center case housing a power distributor for transmitting power from the engine to the pair of right and left HSTs, and a mower unit disposed forwardly of the propelling wheels. The center case is disposed forwardly of the axles of the propelling wheels.

Abstract: A riding tractor in which engine output is transmitted to a running device through a hydrostatic stepless transmission. The tractor has a braking device for acting on the running device, a first brake operating device and a second brake operating device operable independently of each other for operating the braking device, and a brake control device for linking control displacements from the first brake operating device and the second the brake operating device to the brake device.

Abstract: A lawn mower includes a vehicle body, front wheels disposed in front positions of the vehicle body, rear wheels disposed in rear positions of the vehicle body, a mower unit suspended from the vehicle body between the front wheels and the rear wheels, and a driver's seat disposed on the vehicle body above the mower unit. A hydraulic cylinder for raising and lowering the mower unit is disposed above the mower unit and below the driver's seat. A hydraulic pump for supplying a hydraulic pressure to the hydraulic cylinder is disposed below the driver's seat and adjacent the hydraulic cylinder. An engine for driving the hydraulic pump disposed rearwardly of the driver's seat.

Abstract: A mid-mount type lawn tractor having idle wheels disposed at one end in a fore and aft direction of a vehicle body, drive wheels disposed at the other end in the fore and aft direction of the vehicle body, a mower unit connected to the vehicle body between the idle wheels and drive wheels. The lawn tractor includes a wheel support frame supporting the idle wheels and pivotably connected to the vehicle body. A pivotal movement of the wheel support frame relative to the vehicle body displaces the idle wheels relative to the vehicle body, to produce a running posture or a jack-up posture lifting at least part of the vehicle body. The pivotal movement of the wheel support frame is caused by a jack device.

Abstract: A lawn mower with a vehicle body; an engine mounted on the vehicle body; caster-type front wheels; a rear wheel unit having a left rear drive wheel and a right rear drive wheel; a mower unit disposed between the front wheels and rear wheel unit; a left stepless transmission for transmitting drive, switched between forward drive and backward drive, to the left rear wheel; and a right stepless transmission for transmitting drive, switched between forward drive and backward drive, to the right rear wheel; wherein the right and left stepless transmissions are operable independently of each other. A caster-type auxiliary ground wheel unit (9) is disposed rearwardly of the rear wheel unit and supported by a support member (24) to be vertically movable relative to the vehicle body. A braking mechanism (30) is provided for braking an upward movement of the support member.

Abstract: A lawn mower with a vehicle body; an engine mounted on the vehicle body; caster-type front wheels; a rear wheel unit having a left rear drive wheel and a right rear drive wheel; a mower unit disposed between the front wheels and rear wheel unit; a left stepless transmission for transmitting drive, switched between forward drive and backward drive, to the left rear wheel; and a right stepless transmission for transmitting drive, switched between forward drive and backward drive, to the right rear wheel; wherein the right and left stepless transmissions are operable independently of each other. A caster-type auxiliary ground wheel unit (9) is disposed rearwardly of the rear wheel unit and supported by a support member (24) to be vertically movable relative to the vehicle body, A braking mechanism (30) is provided for braking an upward movement of the support member.

Abstract: A lawn tractor includes a vehicle body, a center reel-type cutting unit, and side reel-type cutting units arranged laterally of the center reel-type cutting unit with respect to a moving direction of the vehicle body, wherein a cutting track by the center reel-type cutting unit and cutting tracks by the side reel-type cutting units partly overlap one another. A first lift mechanism vertically movably connects the center reel-type cutting unit to the vehicle body, wherein the first lift mechanism is operable to raise and lower the center reel-type cutting unit without displacing the center reel-type cutting unit transversely of the moving direction. Second lift mechanisms vertically movably connect the side reel-type cutting units to the vehicle body, respectively, wherein the second lift mechanisms are operable to raise and lower the side reel-type cutting units without displacing the side reel-type cutting units transversely of the moving direction.

Abstract: A reel mower having side reel mower units and a center reel mower unit connected to a vehicle body to be vertically movable between a lower position for a grass cutting operation and an upper position for a non-operational run. The side reel mower units and center reel mower unit have reels driven by reel drives under control of a control mechanism. A forcible stopping device is provided for forcibly stopping the reel drives of the reel mower units with priority over control of the reel drives by the control mechanism when the side reel mower units and center reel mower unit are all in the upper positions.

Abstract: A mower including a plurality of cutter blades is disclosed. The mower includes a housing accommodating the cutter blades. The housing includes a first a first side face defining a discharge opening for discharging grass clippings, a side panel formed at a second side face disposed on the opposite side to the first side face relative to a longitudinal center line of a vehicle body, and a front panel having a first front panel disposed on the side of said discharge opening, and a second front panel including a flat extension portion extending on the opposite side to the discharge opening. The flat extension portion extends substantially to a virtual line extending from an outer side end of a locus of revolution of the blade disposed adjacent the second side face in parallel with a traveling direction of the vehicle body.

Abstract: A coupling mechanism for connecting a working unit to a tractor body is disclosed which includes an engaging device and receiver brackets for coupling the working unit which is suspended from a lawn tractor body to links extending from the tractor body. The engaging device includes a first rod extending transversely from the links, a second cross rod spaced and parallel to the first cross rod, and a connecting device interconnecting the cross rods. Each receiver bracket includes a receiving groove for simultaneously receiving part of the first and second cross rods therein. The receiving groove includes a first groove portion having a length corresponding to a distance between the two cross rods, a second groove portion extending from the first groove portion in a direction substantially perpendicular thereto, and an opening to the exterior of the bracket. With this construction, the engaging device is not readily separable from the receiver brackets when the lawn tractor moves forward or backward.

Abstract: A mower unit includes a plurality of blade mechanisms each having a blade and a blade shaft fixed to the blade for supporting the blade, pulleys and a belt for transmitting drive among the blade mechanisms, a plate-like support frame for interconnecting the blade mechanisms through intermediate members, a mower deck, and vibration proofing rubber elements disposed between the mower deck and the blade mechanisms.

Abstract: A mower unit having a bevel gear mechanism includes an input shaft extending substantially horizontally; a first bevel gear mounted on the input shaft; an output shaft extending substantially vertically; a second bevel gear meshed with the first bevel gear and mounted on one end of the output shaft; a blade mounted on the other end of the output shaft; a blade housing coveting the blade and defining an opening for receiving the output shaft; a beating holder rotatably supporting the output shaft; a bevel gear case containing the first and second bevel gears; and a pair of fight and left support stays connected to the bevel gear case for mounting the bevel gear case to the blade housing. The bearing holder and support stays are interconnected by reamer bolts, with the blade housing interposed between flange surfaces formed on the beating holder and flange surfaces formed on the support stays.

Abstract: A mower unit includes a housing having a skirt portion extending toward the ground, and a covering wall surrounding a plurality of grass cutting blades to define spaces for mulching treatment. The covering wall includes peripheral wall members each curved along a locus of revolution of the blade and spaced from the skirt portion. The peripheral wall member includes a vertical portion descending toward the ground. The vertical portion and the skirt portion have lower ends thereof substantially at the same height over the ground. The blades are arranged transversely of the mower unit. The peripheral wall members are in the form of independent annular wall members provided for the blades, respectively. The annular wall members define spaces for mulching treatment substantially independent of one another.

Abstract: A front mower having a grass cutting unit connectable to a front portion and a grass catcher connectable to a rear portion thereof, comprises a main frame structure extending longitudinally of a mower body. The main frame structure includes a pair of right and left front frames and a pair of right and left rear frames. The rear frames have front ends thereof connected to rear ends of the front frames, respectively, such that the rear frames are lower in level than the front frames. A lower auxiliary frame structure is suspended from the main frame structure. Front wheels and rear wheels are supported by the main frame structure. Axles of the rear wheels are swivelable about a vertical axis in a caster-like way to steer the mower. An engine is disposed in a region of the front frames between the front wheels and rear wheels and supported by the lower auxiliary frame structure. The engine and oil pan are disposed above the lower auxiliary frame structure. A driver's seat is disposed above the front frames.

Abstract: A bidirectional control arrangement for a vehicle comprising a seesaw type pedal including a forward drive depress pad and a backward drive depress pad for controlling a hydrostatic stepless transmission. A down-toe motion of an operator's foot applied to the forward drive depress pad controls the transmission for accelerating the vehicle forward, while a down-toe motion thereof applied to the backward drive depress pad controls the transmission to accelerate the vehicle backward. The forward and backward drive depress pads are spaced apart longitudinally of the vehicle and offset from each other transversely of the vehicle.

Abstract: A lawn mower having a driver's section and a grass cutting unit forwardly of a vehicle body; an engine mounted between front and rear wheels; and a pair of main frames extending longitudinally of the vehicle body, each of the main frames including a front frame member, and a rear frame member connected to the front frame member and disposed at a lower level than the front frame member. The engine is mounted below the main frames between the front and rear wheels, and has a radiator disposed rearwardly of the engine and having an upper portion projecting upwardly of the rear frame members. The engine is surrounded by a first cover assembly including side covers depending respectively from the main frames, lower covers connecting the respective side covers to lower positions of the engine, and a front cover for closing an area forwardly of the engine. The first cover assembly defines first ambient air intake openings.

Abstract: A blower for transporting grass clippings from a grass cutting unit to a grass catcher of a lawn mower comprises a housing with a protective liner extending over peripheral inside walls thereof. The liner includes a lining material formed of an elastic resin, and a core formed of a plastically deformable metal and embedded in the lining material.

Abstract: A two-axle four-wheel power vehicle is equipped between the front and rear wheels with a mower which comprises a plurality of cutters each rotatable about a vertical axis. The cutters are power-driven, and the clippings of grass thereby cut are discharged from an opening provided at one side of the vehicle body. The discharge opening is provided with an impeller power-driven about a lateral axis for transferring the discharged grass clippings through a duct to a collection box attached to the vehicle.